1 package org.simantics.district.network.ui;
4 import java.awt.geom.AffineTransform;
5 import java.util.concurrent.TimeUnit;
6 import java.util.function.Consumer;
7 import java.util.function.Supplier;
9 import org.simantics.datatypes.literal.RGB;
10 import org.simantics.db.ReadGraph;
11 import org.simantics.db.Resource;
12 import org.simantics.db.common.request.UnaryRead;
13 import org.simantics.db.exception.DatabaseException;
14 import org.simantics.db.procedure.Listener;
15 import org.simantics.diagram.ui.DiagramModelHints;
16 import org.simantics.district.network.DistrictNetworkUtil;
17 import org.simantics.district.network.ui.participants.DNPointerInteractor;
18 import org.simantics.district.network.ui.participants.MapRulerPainter;
19 import org.simantics.g2d.canvas.ICanvasContext;
20 import org.simantics.g2d.canvas.impl.CanvasContext;
21 import org.simantics.g2d.diagram.handler.PickRequest.PickFilter;
22 import org.simantics.g2d.diagram.participant.DelayedBatchElementPainter;
23 import org.simantics.g2d.diagram.participant.ElementPainter;
24 import org.simantics.g2d.diagram.participant.Selection;
25 import org.simantics.g2d.diagram.participant.ZOrderHandler;
26 import org.simantics.g2d.participant.BackgroundPainter;
27 import org.simantics.g2d.participant.GridPainter;
28 import org.simantics.g2d.participant.PanZoomRotateHandler;
29 import org.simantics.g2d.participant.RenderingQualityInteractor;
30 import org.simantics.g2d.participant.TransformUtil;
31 import org.simantics.g2d.participant.ZoomToAreaHandler;
32 import org.simantics.maps.MapScalingTransform;
33 import org.simantics.maps.eclipse.MapPainter;
34 import org.simantics.maps.sg.commands.MapCommands;
35 import org.simantics.modeling.ui.diagramEditor.DiagramViewer;
36 import org.simantics.scenegraph.g2d.events.command.CommandEvent;
37 import org.simantics.scenegraph.g2d.events.command.Commands;
38 import org.simantics.utils.datastructures.hints.IHintContext;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public class DistrictDiagramViewer extends DiagramViewer {
44 @SuppressWarnings("unused")
45 private static final Logger LOGGER = LoggerFactory.getLogger(DistrictDiagramViewer.class);
48 protected void addDiagramParticipants(ICanvasContext ctx) {
49 ctx.add(new ZOrderHandler());
50 ctx.add(new Selection());
51 ctx.add(new ElementPainter());
52 ctx.add(new DNPointerInteractor());
54 AffineTransform tr = new AffineTransform(MapScalingTransform.INSTANCE);
55 ctx.add(new MapPainter(tr));
57 ctx.add(new NetworkDrawingParticipant(tr));
60 protected String getPopupId() {
61 return "#DistrictDiagramPopup";
65 public void initializeCanvasContext(CanvasContext ctx) {
66 super.initializeCanvasContext(ctx);
67 IHintContext h = ctx.getDefaultHintContext();
68 h.setHint(PanZoomRotateHandler.KEY_ZOOM_IN_LIMIT, 10000.0);
69 h.setHint(PanZoomRotateHandler.KEY_ZOOM_OUT_LIMIT, 0.01);
70 h.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, diagramResource);
74 protected void addPainterParticipants(ICanvasContext ctx) {
75 ctx.add(new RenderingQualityInteractor());
76 ctx.add(new DelayedBatchElementPainter(PickFilter.FILTER_MONITORS, 500, TimeUnit.MILLISECONDS));
80 protected void addGridRulerBackgroundParticipants(CanvasContext ctx) {
81 ctx.add(new GridPainter());
82 ctx.add(new MapRulerPainter());
83 ctx.add(new BackgroundPainter());
86 protected void addViewManipulationParticipants(CanvasContext ctx) {
87 // Let's replace with our special util
88 TransformUtil util = ctx.getAtMostOneItemOfClass(TransformUtil.class);
91 ctx.add(new DistrictTransformUtil());
92 ctx.add(new DistrictPanZoomRotateHandler());
93 //ctx.add(new MousePanZoomInteractor());
94 //ctx.add(new MultitouchPanZoomRotateInteractor());
95 // ctx.add( new OrientationRestorer() );
96 ctx.add(new ZoomToAreaHandler());
100 protected void loadPageSettings(ICanvasContext ctx) {
101 super.loadPageSettings(ctx);
102 // this might be the wrong place to start such listening but at least
103 // super.loadPageSettings() does async-db-operations
104 setupDrawMapEnabled();
105 setupBackgroundColor();
108 private void setupDrawMapEnabled() {
109 sessionContext.getSession().asyncRequest(new DrawMapEnabledRequest(getInputResource()), new DrawMapEnabledListener(
110 result -> canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), result ? Commands.MAP_ENABLE : Commands.MAP_DISABLE)),
111 () -> DistrictDiagramViewer.this.isDisposed()));
114 private void setupBackgroundColor() {
115 sessionContext.getSession().asyncRequest(new MapBackgroundColorRequest(getInputResource()), new MapBackgroundColorListener(
116 result -> queueBackgroundColorChangeEvent(result),
117 () -> DistrictDiagramViewer.this.isDisposed()));
120 private void queueBackgroundColorChangeEvent(RGB.Integer result) {
121 if (result != null) {
122 Color backgroundColor = new Color(result.red, result.green, result.blue);
123 canvasContext.getDefaultHintContext().setHint(MapCommands.KEY_MAP_BACKGROUND_COLOR, backgroundColor);
124 canvasContext.getEventQueue().queueEvent(new CommandEvent(canvasContext, System.currentTimeMillis(), MapCommands.MAP_BACKGROUND_COLOR_CHANGE));
128 private static class DrawMapEnabledRequest extends UnaryRead<Resource, Boolean> {
130 public DrawMapEnabledRequest(Resource diagram) {
135 public Boolean perform(ReadGraph graph) throws DatabaseException {
136 return DistrictNetworkUtil.drawMapEnabled(graph, parameter);
140 private static class DrawMapEnabledListener implements Listener<Boolean> {
142 private static final Logger LOGGER = LoggerFactory.getLogger(DrawMapEnabledListener.class);
144 private Consumer<Boolean> callback;
145 private Supplier<Boolean> isDisposed;
147 public DrawMapEnabledListener(Consumer<Boolean> callback, Supplier<Boolean> isDisposed) {
148 this.callback = callback;
149 this.isDisposed = isDisposed;
153 public void execute(Boolean result) {
154 callback.accept(result);
158 public void exception(Throwable t) {
159 LOGGER.error("Could not listen if draw map is enabled", t);
163 public boolean isDisposed() {
164 return isDisposed.get();
168 private static class MapBackgroundColorRequest extends UnaryRead<Resource, RGB.Integer> {
170 public MapBackgroundColorRequest(Resource diagram) {
175 public RGB.Integer perform(ReadGraph graph) throws DatabaseException {
176 return DistrictNetworkUtil.backgroundColor(graph, parameter);
180 private static class MapBackgroundColorListener implements Listener<RGB.Integer> {
182 private static final Logger LOGGER = LoggerFactory.getLogger(DrawMapEnabledListener.class);
184 private Consumer<RGB.Integer> callback;
185 private Supplier<Boolean> isDisposed;
187 public MapBackgroundColorListener(Consumer<RGB.Integer> callback, Supplier<Boolean> isDisposed) {
188 this.callback = callback;
189 this.isDisposed = isDisposed;
193 public void execute(RGB.Integer result) {
194 callback.accept(result);
198 public void exception(Throwable t) {
199 LOGGER.error("Could not listen map background color", t);
203 public boolean isDisposed() {
204 return isDisposed.get();